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diff --git a/src/libs/installer/messageboxhandler.h b/src/libs/installer/messageboxhandler.h
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+/**************************************************************************
+**
+** This file is part of Installer Framework
+**
+** Copyright (c) 2010-2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef QINSTALLER_MESSAGEBOXHANDLER_H
+#define QINSTALLER_MESSAGEBOXHANDLER_H
+
+#include <installer_global.h>
+
+#include <QtCore/QHash>
+#include <QtCore/QObject>
+
+#include <QtGui/QMessageBox>
+
+#include <QtScript/QScriptable>
+
+namespace QInstaller {
+
+QScriptValue registerMessageBox(QScriptEngine *scriptEngine);
+
+class INSTALLER_EXPORT MessageBoxHandler : public QObject, private QScriptable
+{
+    Q_OBJECT
+
+public:
+    enum DefaultAction {
+        AskUser,
+        Accept,
+        Reject
+    };
+
+    enum MessageType{
+        criticalType,
+        informationType,
+        questionType,
+        warningType
+    };
+
+    static MessageBoxHandler *instance();
+    static QWidget *currentBestSuitParent();
+
+    void setDefaultAction(DefaultAction defaultAction);
+    void setAutomaticAnswer(const QString &identifier, QMessageBox::StandardButton answer);
+
+    static QMessageBox::StandardButton critical(QWidget *parent, const QString &identifier,
+        const QString &title, const QString &text, QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton button = QMessageBox::NoButton);
+
+    static QMessageBox::StandardButton information(QWidget *parent, const QString &identifier,
+        const QString &title, const QString &text, QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton button=QMessageBox::NoButton);
+
+    static QMessageBox::StandardButton question(QWidget *parent, const QString &identifier,
+        const QString &title, const QString &text,
+        QMessageBox::StandardButtons buttons = QMessageBox::Yes | QMessageBox::No,
+        QMessageBox::StandardButton button = QMessageBox::NoButton);
+
+    static QMessageBox::StandardButton warning(QWidget *parent, const QString &identifier,
+        const QString &title, const QString &text, QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton button = QMessageBox::NoButton);
+
+    Q_INVOKABLE int critical(const QString &identifier, const QString &title, const QString &text,
+        QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton button = QMessageBox::NoButton) const;
+
+    Q_INVOKABLE int information(const QString &identifier, const QString &title, const QString &text,
+        QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton button = QMessageBox::NoButton) const;
+
+    Q_INVOKABLE int question(const QString &identifier, const QString &title, const QString &text,
+        QMessageBox::StandardButtons buttons = QMessageBox::Yes | QMessageBox::No,
+        QMessageBox::StandardButton button = QMessageBox::NoButton) const;
+
+    Q_INVOKABLE int warning(const QString &identifier, const QString &title, const QString &text,
+        QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton button = QMessageBox::NoButton) const;
+
+private Q_SLOTS:
+    //this removes the slot from the script area
+    virtual void deleteLater() {
+        QObject::deleteLater();
+    }
+
+private:
+    explicit MessageBoxHandler(QObject *parent);
+
+    QMessageBox::StandardButton autoReply(QMessageBox::StandardButtons buttons) const;
+    QMessageBox::StandardButton showMessageBox(MessageType messageType, QWidget *parent,
+        const QString &identifier, const QString &title, const QString &text,
+        QMessageBox::StandardButtons buttons = QMessageBox::Ok,
+        QMessageBox::StandardButton defaultButton = QMessageBox::NoButton) const;
+
+private:
+    static MessageBoxHandler *m_instance;
+
+    DefaultAction m_defaultAction;
+    QList<QMessageBox::Button> m_buttonOrder;
+    QHash<QString, QMessageBox::StandardButton> m_automaticAnswers;
+};
+
+}
+
+#endif // QINSTALLER_MESSAGEBOXHANDLER_H